it ended with the algerian government launch an assault. one american was killed and two others remain unaccounted for. brian ross has the details. >>> the algerian army's third and final result recaprd turd the bp-run facility but left many hostages dead, apparently executed by the hostages. in the middle of the saharas final hostage death toll was put by officials at 23. >> for our people in algeria, for their family and friends, it has been and continues to be a distressing and horrific times. >> at least two americans remain unaccounted for and one american has been confirmed as killed. 58-year-old fred of katie, texas. a suburb of houston. survivors said the attackers focused only on americans and werners. including a large british contingent. >> we believe that there are five british nationals and one uk resident who are either deceased or unaccounted for. >> the good news was most of the the approximately 100 western workers were freed or escaped. algerian tv aired what had said was home video taken by one hostage as he escaped acros